The Soundcore 2 and Boost are traditional, Bluetooth, water-resistant speakers, with the Boost offering more power, and Soundcore 2 offering a 24 hour battery. The Soundcore Flare comes in a pair, and you can either use them separately, or link them together for wireless stereo audio. They even have a ring of RGB LEDs at the bottom for some added, uh, flare. For the the Flare, make sure to clip the coupon on the page to get the best price.